Home / 626,293.35-939,429.03-433,990.44

Finding the Fourth Proportional to 626,293.35, 939,429.03 and 433,990.44

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Solution

The fourth proportional to 626,293.35, 939,429.03 and 433,990.44 is: 650,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,293.35 : 939,429.03 = 433,990.44 : x
  2. Step 2: Convert to fraction form
    626,293.35/939,429.03 = 433,990.44/x
  3. Step 3: Cross multiply
    626,293.35x = 939,429.03 × 433,990.44
  4. Step 4: Simplify right side
    626,293.35x = 407,703,218,078.47
  5. Step 5: Solve for x
    x = 407,703,218,078.47/626,293.35
  6. Step 6: Final answer
    x = 650,978.04

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.